In the graph to the right:

Trial A (no immunity) is the _ line. Trial B (25% immune) is the _ line. Trial C (50% immune) is the _ line.

The trial in which the disease spread the least was Trial _.

In Trial C, of the 10 people who were not immune, _ people never got the disease.

Trial A is the blue line.

B is the orange line.

C is the green line.

The trial in which the disease spread the least was Trial C.

3 people never got the disease.

Explanation:

The more immune, the less the disease spread.

In Trial C, if 10 people were immune and 7 were infected and there were 20, then 3 never got infected.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation: